[NSRCA-discussion] Lap top batteries

[Tim Of Global Electronics, Ltd.]

There are similar problems with cell phone batts. 

For example, Motorola OEM batts have an internal circuit that prevents 
this type of catastophic failure.  However the knock off replacement 
batts do not.  So the knock offs can spontaneuously combust whereas the 
original Motorola batteries wont.

Tim



Del K. Rykert wrote:

> just goes to show that room  temperature IQ's do exist..
>  
>     Del
>
>     ----- Original Message -----
>     *From:* Jay Marshall <mailto:lightfoot at sc.rr.com>
>     *To:* 'NSRCA Mailing List' <mailto:nsrca-discussion at lists.nsrca.org>
>     *Sent:* Sunday, July 09, 2006 11:33 AM
>     *Subject:* Re: [NSRCA-discussion] Lap top batteries
>
>     When you use a pillow you block the cooling air flow. Vola!
>
>      
>
>     -----Original Message-----
>     *From:* nsrca-discussion-bounces at lists.nsrca.org
>     <mailto:nsrca-discussion-bounces at lists.nsrca.org>
>     [mailto:nsrca-discussion-bounces at lists.nsrca.org] *On Behalf Of
>     *jzeigenfus at comcast.net <mailto:jzeigenfus at comcast.net>
>     *Sent:* Sunday, July 09, 2006 10:24 AM
>     *To:* NSRCA List
>     *Subject:* [NSRCA-discussion] Lap top batteries
>
>      
>
>     I just was reading an article in a local paper and thought I would
>     pass along some warnings that are going with lap top Li Ion
>     batteries. It seems that with the added micro processor power of
>     lap tops and all of the added components, it is stressing the Li
>     Ion batteries which of course causes heat and then possibly flame.
>     There have been several occurences of this on planes and in the
>     home. It seems when they get hot people are then using a pillow to
>     protect there legs and continue to use the computer. The next
>     thing is a hissing and then flame. Maybe with this occuring to the
>     general public it will encourage manufacturers to build in some
>     safety features or a better shell design for the battery. This can
>     only help the RC community with safety issues. JEZ  
>
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